Increased Immunoreactive Endothelin-1 Levels in Blood Vessels and Glomeruli of Rats with Reduced Renal Mass

Abstract
Elevated plasma and urinary endothelin-1 (ET-1) levels have been reported in patients with renal failure as well as in remnant kidney models of chronic renal failure. We investigated whether these changes are related to increased ET-1 production in cardiovascular and renal tissues of rats with reduced renal mass. In uremic rats, systolic blood pressure rose in parallel with the progression of renal insufficiency. At week 6, changes in systolic blood pressure were positively correlated with serum creatinine levels (r = 0.728, p

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